CVE-2007-1889: php
Vulnerability summary
CVE-2007-1889 is a high (CVSS 7.5) vulnerability in php. EPSS estimates a 3.13% chance of exploitation in the next 30 days, higher than 87.8% of scored vulnerabilities.
Not severe (CVSS 7.5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2Timeline
- 06-04-2007PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
Integer signedness error in the _zend_mm_alloc_int function in the Zend Memory Manager in PHP 5.2.0 allows remote attackers to execute arbitrary code via a large emalloc request, related to an incorrect signed long cast, as demonstrated via the HTTP SOAP client in PHP, and via a call to msg_receive with the largest positive integer value of maxsize.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
3.13%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
Increase +0.04 pp
From 3.09% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Php1 product
- phpEOL5.2.0
1 vendor · 1 product
